Mainframe MQ Administrator

The Mainframe MQ/IIB Systems Engineer is responsible for the design, implementation, administration, and support of IBM MQ and IBM Integration Bus (IIB) in a z/OS environment. This role ensures reliable messaging integration across multiple enterprise applications and platforms while contributing to system upgrades, maintenance, and performance optimization.

Key Responsibilities

• Design, configure, and support IBM MQ and IIB environments, including integration and implementation activities.
• Perform MQ and IIB systems programming on z/OS, including installation, maintenance, patching, and version upgrades.
• Provide MQ administration support to multiple application teams.
• Manage Queue Managers, queues, channels, clusters, and Queue Sharing Groups to support high availability, load balancing, and failover.
• Plan, test, and execute MQ version upgrades and ongoing maintenance.
• Deliver technical expertise throughout the software lifecycle—design through deployment.
• Collaborate closely with infrastructure, application, and security teams.
• Apply knowledge of cloud, virtualization, APIs, and modern integration practices.
• Develop or script using one or more languages such as Python, Java, Go, JCL, REXX, PERL, PHP, JYTHON, J2EE, JDBC, Servlets, Ansible, etc.
• Utilize Agile / Lean methodologies in day-to-day work.
• (Preferred) Tune MQ performance using SMF or similar reporting tools.

Required Skills & Experience

• In-depth experience with IBM MQ and IBM Integration Bus (IIB) architecture, configuration, and operations.
• Hands-on systems programming experience in zSeries / z/OS.
• Working knowledge of RACF or ACF2 security models.
• Familiarity with SYSPLEX architecture and high-availability concepts.
• Strong analytical and problem-solving skills with clear, effective communication.
• Proven ability to work collaboratively in a team-oriented environment.